diff options
Diffstat (limited to 'libavutil/avutil.h')
-rw-r--r-- | libavutil/avutil.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/libavutil/avutil.h b/libavutil/avutil.h index 78deff1fd8..d71eb1ef4c 100644 --- a/libavutil/avutil.h +++ b/libavutil/avutil.h @@ -253,6 +253,27 @@ static inline void *av_x_if_null(const void *p, const void *x) } /** + * Compute the length of an integer list. + * + * @param elsize size in bytes of each list element (only 1, 2, 4 or 8) + * @param term list terminator (usually 0 or -1) + * @param list pointer to the list + * @return length of the list, in elements, not counting the terminator + */ +unsigned av_int_list_length_for_size(unsigned elsize, + const void *list, uint64_t term); + +/** + * Compute the length of an integer list. + * + * @param term list terminator (usually 0 or -1) + * @param list pointer to the list + * @return length of the list, in elements, not counting the terminator + */ +#define av_int_list_length(list, term) \ + av_int_list_length_for_size(sizeof(*list), list, term) + +/** * @} * @} */ |